Don't send requests with Connection:keep-alive if we have no agent.

Avoids unhandleable ECONNRESETs.

Author: glasser

lib/caronte/common.js

@@ -37,7 +37,15 @@ common.setupOutgoing = function(outgoing, options, req, forward) {
     extend(outgoing.headers, options.headers);
   }
 
-  outgoing.agent = options.agent || false;
+  if (options.agent) {
+    outgoing.agent = options.agent;
+  } else {
+    outgoing.agent = false;
+    // If we have no agent for sharing connections, we should not keep the
+    // connection alive.
+    if (outgoing.headers)
+      outgoing.headers.connection = 'close';
+  }
   outgoing.path = req.url;
 
   return outgoing;